METHOD FOR REMOVING CRYPTOSPORIDIUM OOCYSTS FROM WATER

A method for stabilizing and removing Cryptosporidium oocysts or Giardia cysts from water. The method comprises adding chitosan, a salt or solution of chitosan to water containing Cryptosporidium oocysts or Giardia cysts and a halogenating agent. The method may also include adding a secondary polyel...

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Bibliographic Details
Main Authors WILLIAMS, JEFFREY, F, NICHOLS, EVERETT, J
Format Patent
LanguageEnglish
French
German
Published 29.12.2010
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:A method for stabilizing and removing Cryptosporidium oocysts or Giardia cysts from water. The method comprises adding chitosan, a salt or solution of chitosan to water containing Cryptosporidium oocysts or Giardia cysts and a halogenating agent. The method may also include adding a secondary polyelectrolyte flocculant to the water. The resulting flocs are filtered to remove the Cryptosporidium oocysts or Giardia cysts.
Bibliography:Application Number: EP20050742342